Remove more //chrome dependencies from VariationsService

components/variations/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
 source_set("variations") {
   sources = [
@@ skipping 26 matching lines @@
     "variations_experiment_util.cc",
     "variations_experiment_util.h",
     "variations_request_scheduler.cc",
     "variations_request_scheduler.h",
     "variations_seed_processor.cc",
     "variations_seed_processor.h",
     "variations_seed_simulator.cc",
     "variations_seed_simulator.h",
     "variations_seed_store.cc",
     "variations_seed_store.h",
+    "variations_switches.cc",
+    "variations_switches.h",
     "variations_url_constants.cc",
     "variations_url_constants.h",
     "variations_util.cc",
     "variations_util.h",
   ]
 
   if (is_android || is_ios) {
     sources += [
       "variations_request_scheduler_mobile.cc",
       "variations_request_scheduler_mobile.h",
@@ skipping 50 matching lines @@
   deps = [
     ":variations",
     "net",
     "proto",
     "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/compression",
     "//testing/gtest",
   ]
 }